Official salaries for world leaders range from the modest to the outstandingly generous. Meanwhile, many premiers past and present boasted outrageous wealth before they bagged the top job, while others got very rich at their nation's expense while in office. 

Read on to discover who makes the list as we countdown the peak net worth of the 40 most affluent non-royal heads of state and government chiefs ever. We've included historical leaders where reliable estimates of their fortunes exist. Where net worth figures predate 2020, we've adjusted them for inflation to give you an idea of the leader's equivalent wealth today.

All dollar values in US dollars.